Keyphrases
- lower bound
- upper bound
- branch and bound
- branch and bound algorithm
- biometric authentication
- np hard
- error correction
- objective function
- worst case
- lower and upper bounds
- lower bounding
- image authentication
- optimal cost
- vc dimension
- optimal solution
- authentication scheme
- fragile watermarking
- decoding algorithm
- quadratic assignment problem
- online algorithms
- upper and lower bounds
- error correcting codes
- authentication protocol
- randomly generated problems
- multimodal biometrics
- identity authentication
- search space